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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Synthesis and antitumor activity of tropolone derivatives. 3.

As part of a study on the antitumor activities of tropolone derivatives prepared from hinokitiol, which naturally occurs in the plants of Chamaecyparis species, effects of aromatic substituents of alpha,alpha-bis(7-hydroxy-5-isopropyltropon-2-yl)toluenes on the activity were examined. Several of the compounds showed high potency in the P388 leukemia assay. 4-Hydroxy analogue 4d showed the most potent activity (T/C = 195%) at a 5 mg/kg dose. The introduction of large-size substituents, of which the steric influence prevents coplanarity of the substituted aromatic function, resulted in a remarkable decrease in the potency. X-ray structural analysis of highly potent 4-methoxy analogue 4b was undertaken.[1]

References

  1. Synthesis and antitumor activity of tropolone derivatives. 3. Yamato, M., Hashigaki, K., Kokubu, N., Tashiro, T., Tsuruo, T. J. Med. Chem. (1986) [Pubmed]
 
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